News tagged with space-time

We've come a long way in 13.8 billion years; but despite our impressively extensive understanding of the Universe, there are still a few strings left untied. For one, there is the oft-cited disconnect between general relativity, ...

(Phys.org) —The quintessential feature of a black hole is its "point of no return," or what is more technically called its event horizon. When anything—a star, a particle, or wayward human—crosses this horizon, the ...

Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments ...

Worlds like this one aren't supposed to exist. In Draco the Dragon-the 8th largest constellation in our sky-there exists a solid planet weighing close to 17 times as much as Earth. This announcement rocked the scientific ...

(Phys.org) —From a remote control room in the middle of Swinburne University of Technology's Hawthorn campus, astronomers have successfully steered the world's largest optical telescopes more than 9000 kilometres away at ...

University of Cambridge physicist Luke Butcher has uploaded a paper to the arXiv preprint server suggesting that there might exist some type of wormhole that is capable of staying open long enough for a photon to pass through—which ...

(Phys.org) —Last week was a big one for space science, as it was announced that astronomers created the first realistic virtual universe—a computer simulation called "Illustris" that is able to recreate 13 billion years ...

Anyone who has flown long distances will be familiar with the jetlag that comes with travelling across time zones. Our body clocks need time to adjust to different daylight times as high-fliers and frequent travellers know ...